these 2 derivations will be built:
  /nix/store/6fffjim2fsm9a2vqsgjwibifs5vs711v-spaces-nixos-apply-dispatch.drv
  /nix/store/qxpqfzijnxpybd66ksw8rhasfpjvyh9i-spaces-nixos-apply-dispatch-test.drv